tcs0791515 tcs0791515 27-12-2023 Mathematics contestada 30. The three sides of a triangles are of lengths x cm, y cm and z cm respectively. x is the longest side and z is the shortest side. Which of the following statements is true? A. x - y > z B. y + z > x C. x + y + z = 18 D. x + y + z = 18